Shun Tien Announces Board Resolution by Key Subsidiary Chien Kao Engineering to Reduce Contract Amount for Land Development Project in Taichung City's Beitun District

1. Type of Contract: Self-land commissioned construction 2. Date of Event: August 10, 2026 3. Board Approval Date: August 10, 2026 (Republic Era 115) 4. Other Approval Dates: Not applicable 5. Counterparty and Relationship with the Company: Jui Jhe Construction Co., Ltd. Relationship with the company: None 6. Main Contract Contents (including total contract amount, expected investment amount, contract start and end dates, restrictions, and other important terms): (1) Total Contract Amount: The reduction amount is NT$4,499,533 (including VAT). After reduction, the total contract amount for the construction project is NT$530,500,467 (including VAT). (2) Restrictive clauses and other important terms: None. 7. Name of Professional Appraisal Firm or Company and Appraisal Results: Not applicable 8. Name of Real Estate Appraiser: Not applicable 9. License Number of Real Estate Appraiser: Not applicable 10. Specific Purpose of Acquisition: To construct residential units for sale 11. Dissenting Director Opinions on the Transaction: None 12. Whether the Transaction is a Related-Party Transaction: No 13. Date of Supervisor Approval or Audit Committee Consent: Not applicable 14. Whether the Appraisal Report is at a Limited, Specific, or Special Price: No or Not applicable 15. Whether an Appraisal Report Has Not Yet Been Obtained: No or Not applicable 16. Reason for Not Obtaining Appraisal Report: Not applicable 17. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 18. Name of Accounting Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor's License Number: Not applicable 21. Previous Date of Material Information Disclosure on the Same Matter: Not applicable 22. Other Explanatory Matters: None